import mimetypes | |
import StringIO | |
import unittest | |
import sys | |
from test import test_support | |
# Tell it we don't know about external files: | |
mimetypes.knownfiles = [] | |
mimetypes.inited = False | |
mimetypes._default_mime_types() | |
class MimeTypesTestCase(unittest.TestCase): | |
def setUp(self): | |
self.db = mimetypes.MimeTypes() | |
def test_default_data(self): | |
eq = self.assertEqual | |
eq(self.db.guess_type("foo.html"), ("text/html", None)) | |
eq(self.db.guess_type("foo.tgz"), ("application/x-tar", "gzip")) | |
eq(self.db.guess_type("foo.tar.gz"), ("application/x-tar", "gzip")) | |
eq(self.db.guess_type("foo.tar.Z"), ("application/x-tar", "compress")) | |
def test_data_urls(self): | |
eq = self.assertEqual | |
guess_type = self.db.guess_type | |
eq(guess_type("data:,thisIsTextPlain"), ("text/plain", None)) | |
eq(guess_type("data:;base64,thisIsTextPlain"), ("text/plain", None)) | |
eq(guess_type("data:text/x-foo,thisIsTextXFoo"), ("text/x-foo", None)) | |
def test_file_parsing(self): | |
eq = self.assertEqual | |
sio = StringIO.StringIO("x-application/x-unittest pyunit\n") | |
self.db.readfp(sio) | |
eq(self.db.guess_type("foo.pyunit"), | |
("x-application/x-unittest", None)) | |
eq(self.db.guess_extension("x-application/x-unittest"), ".pyunit") | |
def test_non_standard_types(self): | |
eq = self.assertEqual | |
# First try strict | |
eq(self.db.guess_type('foo.xul', strict=True), (None, None)) | |
eq(self.db.guess_extension('image/jpg', strict=True), None) | |
# And then non-strict | |
eq(self.db.guess_type('foo.xul', strict=False), ('text/xul', None)) | |
eq(self.db.guess_extension('image/jpg', strict=False), '.jpg') | |
def test_guess_all_types(self): | |
eq = self.assertEqual | |
unless = self.assertTrue | |
# First try strict. Use a set here for testing the results because if | |
# test_urllib2 is run before test_mimetypes, global state is modified | |
# such that the 'all' set will have more items in it. | |
all = set(self.db.guess_all_extensions('text/plain', strict=True)) | |
unless(all >= set(['.bat', '.c', '.h', '.ksh', '.pl', '.txt'])) | |
# And now non-strict | |
all = self.db.guess_all_extensions('image/jpg', strict=False) | |
all.sort() | |
eq(all, ['.jpg']) | |
# And now for no hits | |
all = self.db.guess_all_extensions('image/jpg', strict=True) | |
eq(all, []) | |
@unittest.skipUnless(sys.platform.startswith("win"), "Windows only") | |
class Win32MimeTypesTestCase(unittest.TestCase): | |
def setUp(self): | |
# ensure all entries actually come from the Windows registry | |
self.original_types_map = mimetypes.types_map.copy() | |
mimetypes.types_map.clear() | |
mimetypes.init() | |
self.db = mimetypes.MimeTypes() | |
def tearDown(self): | |
# restore default settings | |
mimetypes.types_map.clear() | |
mimetypes.types_map.update(self.original_types_map) | |
def test_registry_parsing(self): | |
# the original, minimum contents of the MIME database in the | |
# Windows registry is undocumented AFAIK. | |
# Use file types that should *always* exist: | |
eq = self.assertEqual | |
eq(self.db.guess_type("foo.txt"), ("text/plain", None)) | |
def test_main(): | |
test_support.run_unittest(MimeTypesTestCase, | |
Win32MimeTypesTestCase | |
) | |
if __name__ == "__main__": | |
test_main() |